the object dropped from aheight with initial veolcity zero strikes the ground with a velocity of 30m/s. how long does it take to reach the groung . also find maximum height travelled.( g=10m/s^2
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Answered by
1
v=√2gh
h=45m
v-u/a=t
t=3s
h=45m
v-u/a=t
t=3s
Answered by
1
u=0
v^2-u^2=2as
v^2=2gh
30*30=2*10*h
h=45
v-u=at
30-0=10*t
t=3
v^2-u^2=2as
v^2=2gh
30*30=2*10*h
h=45
v-u=at
30-0=10*t
t=3
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